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FILE - In this Aug. 4, 2017 file photo, from left, White House Staff Secretary Rob Porter, White House Chief of Staff John Kelly, and White House senior adviser Jared Kushner walk to Marine One on the South Lawn of the White House in Washington. President Donald Trump was en route to Bedminster, N.J., for vacation. White House staff secretary Porter has resigned following allegations of domestic abuse by his two ex-wives.Associated Press

FILE - In this Jan. 20, 2017 file photo, White House Staff Secretary Rob Porter, center, hands President Donald Trump a confirmation order for James Mattis as defense secretary, in the Oval Office of the White House in Washington, as White House Chief of Staff Reince Priebus, right, watches. Porter is stepping down following allegations of domestic abuse by his two ex-wives.Associated Press

WASHINGTON -- The Latest on the resignation of White House staff secretary Rob Porter (all times local):

11:10 p.m.

President Donald Trump's chief of staff is facing criticism after the resignation of a senior aide. Rob Porter, the president's staff secretary, cleaned out his desk Thursday after allegations surfaced of spousal abuse.

Porter was close to chief of staff John Kelly, and now Kelly is in a harsh spotlight for his efforts to keep the aide in a highly sensitive West Wing job.

4:05 p.m.

The White House says President Donald Trump remains confident in his chief of staff John Kelly even though Kelly defended an aide who'd been accused of domestic abuse by his two ex-wives.

Spokesman Raj Shah says Trump was not aware of the allegations against former staff secretary Rob Porter until Tuesday.

Shah says Trump was surprised, saddened and disheartened by the news reports and images. Shah says that, "like many of us," Trump "did not see that in Rob Porter."

The spokesman also says members of the White House staff could have done a better job handling the situation over the last few days.

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3:50 p.m.

The White House says former staff secretary Rob Porter was working at the White House under an interim security clearance while his background check was being completed.

Porter is facing allegations of domestic abuse leveled against him by his two ex-wives.

White House spokesman Raj Shah is calling the allegations "upsetting" and "shocking."

Shah says President Donald Trump was not informed about the specifics of Porter's security clearance and has been "saddened" by the whole episode.

Shah says Porter's last day was Wednesday, but Porter came into the office briefly Thursday to clear out his stuff.

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1 a.m.

One of President Donald Trump's top White House aides has resigned following allegations of domestic abuse leveled against him by his two ex-wives.

Staff secretary Rob Porter says allegations that became public this week are "outrageous" and "simply false."

Porter's former wives recounted physical, verbal and emotional abuse they say he subjected them to during their marriages.

Porter's first wife, Colbie Holderness, told the DailyMail.com that Porter choked and punched her during the five years they were husband and wife.

Porter's second wife, Jennifer Willoughby, also described for the DailyMail.com how Porter once dragged her naked and wet from the shower to yell at her. She filed a protective order against him.